<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <script>
      console.log(document);
      console.log(document.documentElement); //<html>
      console.log(document.head); //<head>
      console.log(document.body); //<body>
    </script>
  </head>
  <body>
    <h1>App</h1>
  </body>
</html>
